/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.ugc.cnel.manabi.servlets;

import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperRunManager;
import org.ugc.cnel.manabi.recursos.Utilidades;

/**
 *
 * @author Admin
 */
public class imprimeReporte extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("application/pdf");
        response.setHeader("Content-disposition", "attachment; filename=RendimientoGrupos.pdf");
        response.setHeader("Cache-Control", "max-age=30");
        response.setHeader("Pragma", "No-cache");
        response.setDateHeader("Expires", 0);
        ServletOutputStream out = response.getOutputStream();
        try {
            String mesLetra = request.getParameter("mesletra");
            String mesNumero = request.getParameter("mesnumero");
            String anio = request.getParameter("anio");
            String reporte = "org/ugc/cnel/manabi/reportes/MaestroRendimientoGrupos.jasper";
            InputStream is = this.getClass().getClassLoader().getResourceAsStream(reporte);
            Map parametros = new HashMap();
            parametros.put("MESLETRA", mesLetra);
            parametros.put("MESNUMERO", mesNumero);
            parametros.put("ANIO", anio);

            Connection conn = null;

            conn = Utilidades.conexion();

            try {
                byte[] dato = JasperRunManager.runReportToPdf(is, parametros, conn);
                response.setContentLength(dato.length);
                out.write(dato);

            } catch (JRException ex) {
                Logger.getLogger(imprimeReporte.class.getName()).log(Level.SEVERE, null, ex);
            }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
